Mercurial > prosody-modules
view mod_http_pep_avatar/mod_http_pep_avatar.lua @ 3866:c0df50ce96f0
mod_rest: Handle internal http request errors early and then return
Skips over attempted parsing of the payload which usually failed since
the body is an error string like "connection refused", so this produced
useless errors.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 25 Jan 2020 20:22:12 +0100 |
parents | 00bdecb12779 |
children | 02d238799537 |
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-- HTTP Access to PEP Avatar -- By Kim Alvefur <zash@zash.se> local mod_pep = module:depends"pep"; local um = require "core.usermanager"; local nodeprep = require "util.encodings".stringprep.nodeprep; local base64_decode = require "util.encodings".base64.decode; local urlencode = require "util.http".urlencode; module:depends("http") module:provides("http", { route = { ["GET /*"] = function (event, user) if user == "" then return [[<h1>Hello from mod_http_pep_avatar</h1><p>This module provides access to public avatars of local users.</p>]]; end; local request, response = event.request, event.response; local actor = request.ip; local prepped = nodeprep(user); if not prepped then return 400; end if prepped ~= user then response.headers.location = module:http_url() .. "/" .. urlencode(prepped); return 302; end if not um.user_exists(user, module.host) then return 404; end local pep_service = mod_pep.get_pep_service(user); local ok, avatar_hash, avatar_meta = pep_service:get_last_item("urn:xmpp:avatar:metadata", actor); if not ok or not avatar_hash then return 404; end if avatar_hash == request.headers.if_none_match then return 304; end local data_ok, avatar_data = pep_service:get_items("urn:xmpp:avatar:data", actor, avatar_hash); if not data_ok or type(avatar_data) ~= "table" or not avatar_data[avatar_hash] then return 404; end response.headers.etag = avatar_hash; local info = avatar_meta.tags[1]:get_child("info"); response.headers.content_type = info and info.attr.type or "application/octet-stream"; local data = avatar_data[avatar_hash]; return base64_decode(data.tags[1]:get_text()); end; } });